| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| YY/T 1804-2021 | English | 519 |
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Days<=4
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(Anesthesia and breathing equipment - Spirometer used to measure the time-strength expiratory volume of the human body)
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YY/T 1804-2021
| Valid |
YY/T 1804-2021
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